refactor: centralize query tools error construction in factory

sdk/src/query-tools-error-mapper.ts

@@ -1,27 +1,9 @@
-import { GSDError, exitCodeFor } from './errors.js';
-import { GSDToolsError } from './gsd-tools-error.js';
-import { errorMessage, toFailureSignal } from './query-failure-classification.js';
+import { toToolsErrorFromUnknown } from './query-tools-error-factory.js';
+import type { GSDToolsError } from './gsd-tools-error.js';
 
 /**
  * Module owning projection of internal errors to GSDToolsError contract.
  */
 export function toGSDToolsError(command: string, args: string[], err: unknown): GSDToolsError {
-  if (err instanceof GSDError) {
-    return GSDToolsError.failure(
-      err.message,
-      command,
-      args,
-      exitCodeFor(err.classification),
-      '',
-      { cause: err },
-    );
-  }
-
-  const msg = errorMessage(err);
-  const signal = toFailureSignal(err);
-  if (signal.kind === 'timeout') {
-    return GSDToolsError.timeout(msg, command, args, '', signal.timeoutMs, err instanceof Error ? { cause: err } : undefined);
-  }
-
-  return GSDToolsError.failure(msg, command, args, 1, '', err instanceof Error ? { cause: err } : undefined);
+  return toToolsErrorFromUnknown(command, args, err);
 }